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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Influence of low levels of dietary aflatoxins on Eimeria tenella infections in broilers
Tropical Animal Health and Production, Volume 43, No. 1, Year 2011
Notification
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Description
The present study was conducted to evaluate the adverse effects of an interaction between low levels of dietary aflatoxins (AF) and Eimeria tenella infection on broiler chicks. A set of 1-day-old chicks were raised for 35 days in the following groups: a control group, a group fed AF, a group fed AF and inoculated with E. tenella (AF + E. ten), and a group inoculated with E. tenella alone. AF in the contaminated diet were given at 200 ppb starting from the seventh day after hatching while E. tenella was inoculated at a dose of 5 × 104 sporulated oocysts per chick at the 14th day after hatching. Worsened performance traits and high mortality were all observed in the treated birds, particularly the AF + E. ten group. Lesion scores and oocyst outputs were not different within groups. Chickens fed with AF had significantly increased serum ALT and ALP activities as well as decreased albumin content. They also showed hepatomegaly, hepatocytic vacuolation and necrosis, an atrophied bursa of Fabricius, and a thymus with tissue depletion. E. tenella-infected broilers displayed a significant reduction in packed cell volume, hemoglobin content and lymphocyte percentage, and showed hemorrhagic typhlitis. The deficits in hepatic function and hematologic parameters as well as the gross pathological, and histopathological changes, were more common and more severe in the group that was exposed to both aflatoxicosis and coccidiosis than in the groups exposed to either treatment alone. Thus, the combination of aflatoxicosis and E. tenella infection may influence the course of coccidial infection due to additive effects. © 2010 Springer Science+Business Media B.V.
Authors & Co-Authors
Ellakany, Hany F.
Egypt, Alexandria
Faculty of Veterinary Medicine
Abu-Akkada, Somaia Saif
Egypt, Alexandria
Faculty of Veterinary Medicine
Oda, Samah Shehata
Egypt, Alexandria
Faculty of Veterinary Medicine
El-Sayed, Yasser S.
Egypt, Alexandria
Alexandria University
Statistics
Citations: 27
Authors: 4
Affiliations: 2
Identifiers
Doi:
10.1007/s11250-010-9685-0
ISSN:
00494747
e-ISSN:
15737438
Study Design
Randomised Control Trial